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प्रश्न
What is dissipation of energy?
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उत्तर
In transforming the mechanical energy if a part of it gets converted into another form of energy that cannot be utilized for useful work, this loss of energy is called the dissipation of energy.
संबंधित प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
Which of the following produces more heat (per unit mass) on burning?
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
Write the type of energy possessed in the following case:
A bent bow
State the energy changes which take place in Electricity is obtained from solar energy.
Give one example when:
Light energy changes to chemical energy.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
